EP0742028B1 - Dispositif pour la ventilation intratrachéale et intratrachéale pulmonaire comprenant un venturi inversé - Google Patents

Dispositif pour la ventilation intratrachéale et intratrachéale pulmonaire comprenant un venturi inversé Download PDF

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Publication number
EP0742028B1
EP0742028B1 EP96303087A EP96303087A EP0742028B1 EP 0742028 B1 EP0742028 B1 EP 0742028B1 EP 96303087 A EP96303087 A EP 96303087A EP 96303087 A EP96303087 A EP 96303087A EP 0742028 B1 EP0742028 B1 EP 0742028B1
Authority
EP
European Patent Office
Prior art keywords
tube
insert
patient
gas
ventilation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96303087A
Other languages
German (de)
English (en)
Other versions
EP0742028A3 (fr
EP0742028A2 (fr
Inventor
Frank J. Fischer, Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cook Inc
Original Assignee
Cook Inc
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Filing date
Publication date
Application filed by Cook Inc filed Critical Cook Inc
Publication of EP0742028A2 publication Critical patent/EP0742028A2/fr
Publication of EP0742028A3 publication Critical patent/EP0742028A3/fr
Application granted granted Critical
Publication of EP0742028B1 publication Critical patent/EP0742028B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04—Tracheal tubes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M16/0009—Accessories therefor, e.g. sensors, vibrators, negative pressure with sub-atmospheric pressure, e.g. during expiration
    • A61M16/0012—Accessories therefor, e.g. sensors, vibrators, negative pressure with sub-atmospheric pressure, e.g. during expiration by Venturi means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04—Tracheal tubes
    • A61M16/0486—Multi-lumen tracheal tubes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04—Tracheal tubes
    • A61M16/0402—Special features for tracheal tubes not otherwise provided for
    • A61M16/0411—Special features for tracheal tubes not otherwise provided for with means for differentiating between oesophageal and tracheal intubation
    • A61M2016/0413—Special features for tracheal tubes not otherwise provided for with means for differentiating between oesophageal and tracheal intubation with detectors of CO2 in exhaled gases
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M2025/0001—Catheters; Hollow probes for pressure measurement
    • A61M2025/0002—Catheters; Hollow probes for pressure measurement with a pressure sensor at the distal end
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2230/00—Measuring parameters of the user
    • A61M2230/40—Respiratory characteristics
    • A61M2230/43—Composition of exhalation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0108—Steering means as part of the catheter or advancing means; Markers for positioning using radio-opaque or ultrasound markers

Definitions

  • the first preferred embodiment of the present invention for creating a sub-atmospheric pressure near the carina 12 of a human or veterinary patient 48 is thereshown as a device 10, extending from outside the patient 48 to a location within the trachea 50 of the patient 48.
  • the carina 12 is, of course, the location at which the bronchi 52 split from the trachea 50, and lead towards the lungs 54 of the patient 48.
  • the device 10 first comprises a tracheal or endotracheal tube 14 having a proximal tube end 16 positioned outside the trachea 50 of the patient 48, and a distal tube end 18 spaced from the proximal tube end 16 and positioned at or near the carina 12 of the patient 48.
  • the tube 14 includes a tube wall 20 connected to and extending between the proximal tube end 16 and the distal tube end 18, as well as a tube passageway 22 for the flow of an oxygen-containing gas therethrough.
  • the insert 24 is most preferably configured as a hollow cylinder 40 having a central throughbore 56, although any of a variety of other shapes for the insert 24 might be suitable, if the material of the tube 14 is sufficiently flexible to ensure an adequate seal to the insert 24, and if a central passage is provided to allow the exit of carbon-dioxide enriched air from the lungs 54, and out through the bronchi 52 and trachea 50. Also preferably, it is the outer surface 42 of the cylinder 40 that is the insert surface 26 on which the at least one insert channel 28 is formed. In such a case, the at least one insert channel 28 is further defined by the inner surface 44 of the tube wall 20, at the distal tube end 18.
  • the gas passes into the bronchi 52 and the lungs 54, oxygenating the lungs 54 in the desired manner.
  • the oxygen-containing gas continues to flow out of the channels 36 and 38 and creates the zones 30 of sub-atmospheric pressure which aid removal of the carbon-dioxide laden air from the lungs 54 and bronchi 52. It is critical to achieving this reverse Venturi that the oxygen-containing gas flow through the device 10 at some time during the exhalation phase, preferably continuously.
  • the use of the device 10 is not limited to constant flow methods.
  • the present invention is expected to be useful in ventilation methods in which the flow rate or pressure varies during the ventilation cycle, so long as a sufficient flow rate through the device 10 is provided to create sub-atmospheric pressure adjacent to the devices during patient exhalation, and aid removal of carbon-dioxide enriched air from the lungs of the patient. Constant flow methods are probably preferred, however.

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Emergency Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Surgical Instruments (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicinal Preparation (AREA)

Claims (5)

  1. Dispositif (10) pour la ventilation d'un patient à un débit de ventilation conventionnel, comprenant un tube trachéal ou endotrachéal (14, 32) comportant une extrémité distale (18) ; un moyen de raccordement (60) dans la zone de l'extrémité proximale (16) du tube (14, 32) pour le raccordement à une source (46) d'un gaz contenant de l'oxygène ; et un moyen (22, 34) d'apport dudit gaz à une zone dans le tube (14, 32) qui est adjacente à ladite extrémité distale (18) ; caractérisé en ce que le tube trachéal comprend un insert (24) avec un conduit de passage central (56) qui traverse l'insert pour recevoir le gaz exhalé, et avec des canaux longitudinaux (38) espacés circonférentiellement autour du conduit de passage central de l'insert pour rediriger le gaz contenant de l'oxygène.
  2. Dispositif (10) selon la revendication 1, dans lequel l'insert (24) est positionné de façon adjacente à l'extrémité distale du tube (14, 32), ledit insert (24) étant en communication avec le moyen d'apport de gaz (22) et comportant une pluralité de canaux (28) pour diriger le gaz vers l'extrémité proximale (16) du tube (14, 32).
  3. Dispositif (10) selon la revendication 2, dans lequel l'insert (24) sert à distribuer ledit gaz vers ladite pluralité de canaux, ledit insert comprenant le conduit de passage central (56) à positionner dans la zone de la carène (12) du patient (48).
  4. Dispositif (10) selon la revendication 2 ou 3, dans lequel l'insert (24) est un cylindre creux qui appuie circonférentiellement contre la surface interne (44) de l'extrémité distale (18) du tube (14, 32), les canaux (28, 36) étant formés entre l'insert (24) et ledit tube (14, 32), et l'insert (24) comportant un canal circonférentiel (36) raccordé au moyen d'apport de gaz (22, 34) et aux canaux longitudinaux (38).
  5. Dispositif selon la revendication 1, 2, 3 ou 4, dans lequel le moyen d'apport de gaz est une lumière (22) formée dans la paroi (20) dudit tube (14, 32), une autre lumière (64) pouvant éventuellement être présente dans la paroi du tube (14, 32).
EP96303087A 1995-05-12 1996-05-01 Dispositif pour la ventilation intratrachéale et intratrachéale pulmonaire comprenant un venturi inversé Expired - Lifetime EP0742028B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/440,533 US5544648A (en) 1995-05-12 1995-05-12 Device for intratracheal ventilation and intratracheal pulmonary ventilation including reverse venturi
US440533 1995-05-12

Publications (3)

Publication Number Publication Date
EP0742028A2 EP0742028A2 (fr) 1996-11-13
EP0742028A3 EP0742028A3 (fr) 1997-03-26
EP0742028B1 true EP0742028B1 (fr) 2004-09-01

Family

ID=23749136

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96303087A Expired - Lifetime EP0742028B1 (fr) 1995-05-12 1996-05-01 Dispositif pour la ventilation intratrachéale et intratrachéale pulmonaire comprenant un venturi inversé

Country Status (6)

Country Link
US (1) US5544648A (fr)
EP (1) EP0742028B1 (fr)
JP (1) JPH08299442A (fr)
AU (1) AU697813B2 (fr)
CA (1) CA2176055A1 (fr)
DE (1) DE69633261T2 (fr)

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NZ272354A (en) * 1994-06-17 1997-10-24 Trudell Medical Ltd Catheter system; method and apparatus for delivering an aerosol form of medication to the lungs, details of method and of catheter apparatus
EP0768095B1 (fr) * 1995-10-13 2001-12-19 Siemens-Elema AB Tube trachéal et dispositif pour système de ventilation artificielle
US5669380A (en) * 1996-04-26 1997-09-23 New England Medical Center Hospitals, Inc. Laryngeal bypass
EP1015057B1 (fr) * 1996-12-12 2006-06-07 The Johns Hopkins University School Of Medicine Appareil de fournir une assistance respiratoire a un patient
SE9703291L (sv) * 1997-09-11 1998-10-05 Siemens Elema Ab Inspirationsslang
US6655382B1 (en) * 1997-09-18 2003-12-02 The United States Of America As Represented By The Secretary Of Health And Human Services Spontaneous breathing apparatus and method
US5954050A (en) * 1997-10-20 1999-09-21 Christopher; Kent L. System for monitoring and treating sleep disorders using a transtracheal catheter
US5957134A (en) * 1997-11-18 1999-09-28 Lee; Han Shik Anesthesia delivery system
US5896854A (en) * 1998-05-04 1999-04-27 Valley Inspired Products, Llc Tracheal gas insufflation system
SE512807C2 (sv) * 1998-09-02 2000-05-15 Bjoern Flodin Anordning för tillförsel av inandningsgas till och bortförsel av utandningsgas från en patient
FR2782925B1 (fr) * 1998-09-03 2000-12-29 Georges Boussignac Dispositif pour assistance respiratoire
SE9803685D0 (sv) * 1998-10-27 1998-10-27 Siemens Elema Ab Device for flushing a deadspace in mechanical ventilation
US7431031B2 (en) * 1998-12-22 2008-10-07 Ric Investments, Llc Insufflation system and method
US6102042A (en) * 1998-12-22 2000-08-15 Respironics, Inc. Insufflation system, attachment and method
FR2831824B1 (fr) * 2001-11-06 2004-01-23 Georges Boussignac Dispositif pour assistance respiratoire
US20050245944A1 (en) * 2002-02-01 2005-11-03 Rezai Ali R Apparatus for facilitating delivery of at least one device to a target site in a body
US7452345B2 (en) * 2002-09-17 2008-11-18 Baylor College Of Medicine Anti-infective endotracheal tube
AU2003900203A0 (en) * 2003-01-17 2003-01-30 Unisearch Limited A respiratory assist device and method of providing respiratory assistance
EP3064242A1 (fr) 2003-04-28 2016-09-07 Advanced Circulatory Systems Inc. Ventilateur et procédés de traitement de traumatisme crânien et d'hypotension
US8813751B2 (en) * 2003-07-28 2014-08-26 Luiz Gonzaga Granja Filho Probe for medical use
DE602004031034D1 (de) 2003-10-31 2011-02-24 Trudell Medical Int System zur manipulierung eines katheters für die ablage einer substanz in einer körperhöhle
ES2265731B1 (es) * 2004-10-06 2008-02-01 Ramon Reina Gonzalez Tubo orofaringeo de dos luces.
US9352111B2 (en) 2007-04-19 2016-05-31 Advanced Circulatory Systems, Inc. Systems and methods to increase survival with favorable neurological function after cardiac arrest
US8151790B2 (en) 2007-04-19 2012-04-10 Advanced Circulatory Systems, Inc. Volume exchanger valve system and method to increase circulation during CPR
US20090277447A1 (en) * 2008-05-12 2009-11-12 Advanced Circulatory Systems, Inc. System, method, and device to increase circulation during cpr without requiring positive pressure ventilation
ITMI20081315A1 (it) 2008-07-18 2010-01-19 Iph Establishment Dispositivo per rimuovere secrezioni polmonari
US9724266B2 (en) 2010-02-12 2017-08-08 Zoll Medical Corporation Enhanced guided active compression decompression cardiopulmonary resuscitation systems and methods
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CA2859814A1 (fr) 2011-12-19 2013-06-27 ResQSystems, Inc. Systemes et methodes de regulation therapeutique de la pression intrathoracique
US9811634B2 (en) 2013-04-25 2017-11-07 Zoll Medical Corporation Systems and methods to predict the chances of neurologically intact survival while performing CPR
US20140358047A1 (en) 2013-05-30 2014-12-04 ResQSystems, Inc. End-tidal carbon dioxide and amplitude spectral area as non-invasive markers of coronary perfusion pressure and arterial pressure
US9993607B2 (en) * 2013-10-03 2018-06-12 Anesthemed, Llc Oral cannula
US10695518B2 (en) * 2013-10-03 2020-06-30 Anesthemed, Llc Oral cannula
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Also Published As

Publication number Publication date
AU697813B2 (en) 1998-10-15
DE69633261T2 (de) 2005-09-08
AU5214296A (en) 1996-11-21
CA2176055A1 (fr) 1996-11-13
JPH08299442A (ja) 1996-11-19
EP0742028A3 (fr) 1997-03-26
US5544648A (en) 1996-08-13
EP0742028A2 (fr) 1996-11-13
DE69633261D1 (de) 2004-10-07

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